Bookmark



FIG. 1 is a perspective view of a bookmark showing my new design in one possible environment;

FIG. 2 is a bottom view thereof, the top view being a mirror image thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof, the left side view being a mirror image thereof; and,

FIG. 5 is a rear view thereof.

The broken-line showing of environmental structure in FIG. 1 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a bookmark, as shown and described. 